Audi A5 8T 3.0 TDI CCWA Diesel Exhaust Gas Temperature Sensor 059906088A

Audi A5 8T 3.0 TDI CCWA Diesel Exhaust Gas Temperature Sensor is an original part from the Temperature sensors group, designed for diesel systems in the Audi A5 8T model with the 3.0 TDI CCWA engine. This component is responsible for the precise measurement of exhaust gas temperature, which is crucial for the operation of the exhaust system, protection of components, and the proper functioning of diesel engine control systems.

Specifications and technical data

• SKU: 059906088A
• Mark: Audi
• Condition: Used
• OEM Part Number: 059906088A
• Substitutable numbers: 059906088A, 059 906 088 A
• Fuel type: Diesel
• Category: Temperature Sensors

Function and application of the exhaust gas temperature sensor

The exhaust gas temperature sensor in the Audi A5 8T 3.0 TDI CCWA operates in the direct stream of exhaust gases, transmitting information about the current temperature to the engine control unit. Based on this data, the ECU adjusts the fuel dosage, controls the exhaust gas treatment system, and protects exhaust system components from overheating. In diesel engines, a stable and reliable exhaust temperature reading is essential to maintain correct operating parameters and limit emissions.

Using the correct sensor in a diesel unit helps avoid controller errors, limp mode, and power loss. A properly selected component also aids in diagnostics – correct temperature values make it easier for a mechanic to assess the condition of the exhaust system and engine accessories.

Compatibility with the 3.0 TDI CCWA unit

The presented sensor has been designed to work with the 3.0 TDI CCWA engine in the Audi A5 8T, which means it is matched in terms of measurement characteristics, temperature range, and communication method with the controller. As a result, full compliance with the factory control logic is maintained, and installation does not require any modifications to the electrical wiring or mechanical adaptation of the socket in the exhaust system.

In the case of diesel units, using a component with the appropriate characteristics is particularly important, as incorrect temperature readings can lead to improper operation of emission control systems and increased fuel consumption.

Characteristics of the used component

The offered exhaust gas temperature sensor is a used part, sourced from dismantling. Such components are often chosen as an economical alternative to new parts, especially when maintaining the original manufacturer's specification is a priority. A used OEM sensor allows for restoring the proper operation of the system within a reasonable budget, while maintaining the factory manufacturing standard.

Before installation, standard workshop procedures are recommended: checking the condition of the connector, wire, and mounting thread, followed by verifying the accuracy of readings during computer diagnostics after starting the engine.

Why choose an original temperature sensor for an Audi

In Audi diesel systems, using an original exhaust gas temperature sensor translates into:

• consistency with the factory engine control software,
• stable operating parameters across the full range of diesel engine loads,
• lower risk of errors related to exhaust gas temperature,
• easier diagnostics during future service work.

For workshops and private users, this means predictable engine behavior and a reduction in the risk of unplanned vehicle downtime.

Expanding knowledge about used electronics and sensors

If you are considering a wider use of dismantled parts in your car and want to better understand when used modules and sensors are a reasonable choice, it is worth checking out the guide on our blog. Practical tips, examples of applications, and a discussion of common errors can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

If you are planning a comprehensive repair or upgrade of the exhaust gas temperature measurement area in your Audi and need other items from the same group, such as additional sensors, signal wires, or mounting elements, check out the available parts in the Audi Temperature sensors category.